public IActionResult Update(int orderId, [FromBody] Order order)
        {
            try
            {
                if (!ModelState.IsValid)
                {
                    return(BadRequest(ModelState));
                }

                var result = ordersStorageInst.UpdateOrder(orderId, order);

                return(Ok(result));
            }
            catch (ApplicationException e)
            {
                return(BadRequest(e.Message));
            }
        }